[ Grammar ]
The first electric lamp had two carbon rods from which vapor serves to conduct the current across the gap.
A. The first
B. which
C. serves
D. to conduct
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Grammar › ViewDavid always ……………. (choose) strawberry ice-cream for dessert.
A. chooses
B. is choosing
C. are choosing
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We use ” How large or How big ” to talk about ______
A. Speed
B. Quantity
C. Size
D. Length
Grammar › ViewMy mother told me to __________ on warm clothes before I went out.
A. get
B. taking
C. have
D. put
a, an, the, Zero Article › View
Which article correctly completes each sentence?
Did Ranita ____frog really sleep in Félipé’s bed?
A. A
B. An
C. The